In this April 4, 2016, file photo, North Carolina head coach Roy Williams watches during the first half against Villanova in the NCAA Tournament championship game in Houston.
In this April 4, 2016, file photo, North Carolina head coach Roy Williams watches during the first half against Villanova in the NCAA Tournament championship game in Houston. Eric Gay AP
In this April 4, 2016, file photo, North Carolina head coach Roy Williams watches during the first half against Villanova in the NCAA Tournament championship game in Houston. Eric Gay AP